Download REDMI K90 Ultra CN HyperOS firmware — warsaw · OS4.0.4.0.XHPCNXM
Download REDMI K90 Ultra CN HyperOS firmware: codename warsaw, latest build OS4.0.4.0.XHPCNXM (Android 17.0 · 8.4G · 30.06.2026). This page lists the official recovery package for CN, download links, and release history.
Latest official HyperOS firmware for REDMI K90 Ultra, CN region: direct download link and install instructions.
Download firmware REDMI K90 Ultra CN OS4.0.4.0.XHPCNXM
Installation
- Download the recovery package from the link above.
- Open System Update on the device.
- Menu ⋮ → Choose update package and select the downloaded file.
- Wait until install finishes — the device will reboot on its own.
- Do not power off or interrupt the process while flashing.
Source & authenticity
Files are indexed from public HyperOS / Xiaomi builds and community mirrors. Otree.pro is not affiliated with Xiaomi; the original release and device settings remain authoritative.
CN and Global/EEA/RU builds use different packages and services. Install the region that matches your device firmware, or you may hit signature conflicts.
Before flashing, back up important data and make sure the device is sufficiently charged.
History
| Version | Date | Android | Size |
|---|---|---|---|
| OS4.0.4.0.XHPCNXM | 30.06.2026 | 17.0 | 8.4G |
| OS3.0.309.0.WHPCNXM | 24.09.2026 | 16.0 | 8.6 GB |
| OS3.0.308.0.WHPCNXM | 14.09.2026 | 16.0 | 8.6 GB |
| OS3.0.307.0.WHPCNXM | 18.08.2026 | 16.0 | 8.6 GB |
| OS3.0.306.0.WHPCNXM | 30.06.2026 | 16.0 | 8.0G |
| OS3.0.309.0.WHPCNXM | 16.0 | 8.0G | |
| OS3.0.308.0.WHPCNXM | 16.0 | 8.0G | |
| OS3.0.307.0.WHPCNXM | 16.0 | 8.0G |
